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Classification of Gears-2 (in Hindi)
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Helical gears , advantages and disadvantages are discussed.

Gaurav Joshi
Mechanical Engineer. Secured AIR 5 in ESE & AIR 47 in GATE. Also cleared BARC,ONGC,ISRO. Worked for BARC, HITACHI.Guitar player & Vocalist

Unacademy user
i read in a book that if groove in between then gear is called double helical gear and if there is no groove then the gear is herringbone gear
Really sir ,for you increasing my confidence 😀😀😀😀
balls baahr aayengi toh penchida design toh hoga hi.....
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